Home / 150,422.12-207,527.56-89,994.48

Finding the Fourth Proportional to 150,422.12, 207,527.56 and 89,994.48

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Solution

The fourth proportional to 150,422.12, 207,527.56 and 89,994.48 is: 124,159.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,422.12 : 207,527.56 = 89,994.48 : x
  2. Step 2: Convert to fraction form
    150,422.12/207,527.56 = 89,994.48/x
  3. Step 3: Cross multiply
    150,422.12x = 207,527.56 × 89,994.48
  4. Step 4: Simplify right side
    150,422.12x = 18,676,334,847.87
  5. Step 5: Solve for x
    x = 18,676,334,847.87/150,422.12
  6. Step 6: Final answer
    x = 124,159.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.